Patents by Inventor Lawrence Ellgass

Lawrence Ellgass has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Golf putter head
    Patent number: D405490
    Type: Grant
    Filed: February 25, 1998
    Date of Patent: February 9, 1999
    Assignee: Bingo Golf Company, Inc.
    Inventors: John M. Hogan, Armand H. Larsen, Lawrence Ellgass, Albert J. Claps, Donald A. Sokol